
Chocolate Mountains define the northern terrain of this desert landscape, where steep contours give way to the broad alluvial expanse of the Castle Dome Plain in the south. The area is characterized by a complex network of ephemeral drainages, the most prominent being Indian Wash, which winds through the central valley. This 2021 survey reveals a landscape largely shaped by seasonal water flow and the geological transition between upland ranges and lowland basins. The boundary between La Paz Co and Yuma Co cuts vertically across the eastern side of the quadrangle, marking a quiet administrative division in a region dominated by desert scrub and dry washes rather than human settlement.
10 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1934 · Trigo Peaks
USGS Topo · 1:48,000
1939 · Red Hill
USGS Topo · 1:62,500
1939 · Trigo Peaks
USGS Topo · 1:62,500
1942 · Blythe
USGS Topo · 1:250,000
1954 · Salton Sea
USGS Topo · 1:250,000
1954 · Red Hill
USGS Topo · 1:62,500
1954 · Trigo Peaks
USGS Topo · 1:62,500
1955 · Salton Sea
USGS Topo · 1:250,000
1959 · Salton Sea
USGS Topo · 1:250,000
1962 · Livingston Hills
USGS Topo · 1:62,500